Q: I want to make sure the Prestone 50/50 coolant+antifreeze (with cor-guard inhibitors) is safe to put into my car?

Your vehicle was initially designed with a specific wheel and tire combination that the manufacturer of the vehicle felt was best suited for safety and performance. Many times, the wheels and tires that come with a vehicle may seem too...

Hi there. It sounds like maybe you have a bearing worn out on a pulley or the fan bearing may be worn out. This will definitely cause the pulley or fan to sound like if it hitting another component on...

This generally indicates a failure of the oil plug crush washer/gasket. Retorquing the plug may stop the leak. If not, the oil plug and gasket need to be checked. If the oil is rather new, it can be reclaimed in...

Hi there. The valves make a ticking noise as they wear, and in order to do any kind of valve adjustment you would need to have the valve clearance checked. If it needs adjustment, then the valve lash adjuster (also...

Hi there. As you already know, replacing components without diagnoses can be expensive and time consuming without resolution. Circuit testing for the P0201 (#1 cylinder injector circuit fault) code needs to be performed to isolate the injector circuit fault (https://www.yourmechanic.com/services/electric-problems-inspection)....

Hi There, There are a number of things that can cause poor fuel mileage. A faulty camshaft position sensor (https://www.yourmechanic.com/services/camshaft-position-sensor-replacement) is one of them. The camshaft position sensor is a magnetic sensor that monitors camshaft speed to regulate ignition timing...

This may be an issue of a faulty ABS control module or possibly faulty wheel sensors. The ABS control module (https://www.yourmechanic.com/services/abs-light-is-on-inspection) controls the activation of the ABS system based upon inputs from the ABS wheel sensors. When this module is...

This is typically related to a speed sensor (https://www.yourmechanic.com/services/speed-sensor-replacement) problem. The reduced speed is due to the engine control module putting the car into reduced power mode as a result of the intermittent signal from the speed sensor. The check...

The idle air control valve will not affect transmission shift points. The throttle position sensor might though and there are other transmission controls, including electrically controlled solenoids in the transmission valve body, that might be at issue. It first has...